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#1 2007-07-31 07:10:31

jpmarshall
Member

Filling Voids

Greetings All,
During my vacation next week I am going to install rope clutches on the cabin roof just forward of the winch.  A preliminary peek indicates that there is no balsa core between the interior liner and the fiberglass cabin top.  Any suggestions on how to fill this void with an appropriate amount of epoxy to facilitate the drill-fill-drill approach for mounting the clutches?
Thanks in advance!The Marshall's
Hotel California
1979 Mk III
Dryden,  Ontario


The Marshall's
Hotel California
1979 Mk III
Dryden, ; Ontario

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#2 2007-08-01 00:49:43

davidww1
Member

Re: Filling Voids

The gap between the structural deck and the liner would never have been filled with balsa. In some locations, you'll find a mash of polyester putty to bond the two together, but the liner is primarily cosmetic, not structural, so in many areas the gap between deck and liner is -- and should be -- filled with air.

Drill-fill-drill is not intended to fill this gap; instead, it's intended to replace the balsa between the inner and outer skin of the structural deck. The gap provides space within which to conceal nuts and washers; cover the access hole with white plexiglass or wood, or drill access holes that match snap-in plugs.

The drill-fill-drill diagram has been modified to clarify this relationship.

David Weatherston
Towser, Toronto
C&C 27 Mk IV


David Weatherston
Towser, Toronto
C&C 27 Mk IV

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#3 2007-08-03 05:22:01

Nepenthe
Member

Re: Filling Voids

One way of dealing with the separate outer shell and liner is to cut a hole in the liner and fix the hardware only to the outer shell.  The hole can then be covered with a decorative piece screwed in place.
Greg Tokarz, Nepenthe, Mk1 Hull #73


Greg Tokarz,
Nepenthe, C&C 27 Mk1, Hull #73
National Yacht Club, Toronto

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#4 2007-08-07 07:13:47

Aragorn
Member

Re: Filling Voids

Hi JP.
   If you haven't already gotten to the job, a tip is to drill the holes for your fittings from outside right through both the outer shell and the liner then, using a hole-saw bit from inside, centred in holes you've drill from outside, drill just through the liner with the hole-saw. Choose a hole-saw size just large enough to accomodate the washers you're using for back-up against the shell.
    You can buy SS caps/plugs somewhere (??) but I've successfully covered some openings with a bit of teak fastened to the liner with short, small SS self-tapping screws.
Clare Jordan  Aragorn
 


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